Rfa
abbr. request for applications 应用要求; radio frequency authorization 无线电频率授权; radio frequency attenuator 无线电频率衰减器; request further airways 要求更远的航线
🗣️ 情景例句
His studies haven't been inproving lately.
他的学业最近没什么进步。
Light troubles speak; great troubles are silent.
小困难，大声叫嚷；大困难，闷生不响。
No, we must stay here and find our lunch.
“不，我们必须留在这儿并找到我们的午饭！”